Comment count API endpoint

client-solid/src/Util/api.ts

@@ -95,6 +95,17 @@ export async function getComments(
   return data;
 }
 
+/**
+ * Gets the total amount of comments for a post
+ * @param postId The id of the post
+ * @returns {Promise<number>} A promise that contains the number of comments
+ */
+export async function getCommentCount(postId: string): Promise<number> {
+  const res = await fetch(`/api/posts/${postId}/comments/count`);
+  const data = await res.json();
+  return data;
+}
+
 /**
  * Gets the Engagement counts for a post by postId
  * @param postId The id of the post

server/.sqlx/query-8543bcd80753991e922e6525c4d98e403c0638293c845aec61ab662d555180b2.json

@@ -0,0 +1,22 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "SELECT COUNT(*) FROM comments WHERE parent_post_id = $1",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "count",
+        "type_info": "Int8"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Int8"
+      ]
+    },
+    "nullable": [
+      null
+    ]
+  },
+  "hash": "8543bcd80753991e922e6525c4d98e403c0638293c845aec61ab662d555180b2"
+}

server/src/main.rs

@@ -17,9 +17,10 @@ use jwt::Authentication;
 use routes::{get_comments, get_posts, login, new_comment, new_post, post_by_id, register};
 use state::CaptchaState;
 use state::ServerState;
+#[allow(unused_imports)]
 use util::hex_string;
 
-use crate::routes::{delete_post, engage_post, get_engagements};
+use crate::routes::{delete_post, engage_post, get_comment_count, get_engagements};
 
 #[actix_web::main]
 async fn main() -> std::io::Result<()> {
@@ -69,6 +70,7 @@ async fn main() -> std::io::Result<()> {
                     .service(delete_post)
                     .service(new_comment)
                     .service(get_comments)
+                    .service(get_comment_count)
                     .service(engage_post)
                     .service(get_engagements)
                     .service(post_by_id)

server/src/routes/comment.rs

@@ -4,7 +4,7 @@ use crate::types::{CommentQueryParams, NewComment};
 use crate::ServerState;
 
 use actix_web::get;
-use actix_web::web::{Data, Query};
+use actix_web::web::{Data, Path, Query};
 use actix_web::{post, web::Json, HttpResponse, Responder, Result};
 use log::info;
 
@@ -78,3 +78,22 @@ pub async fn new_comment(
         }
     }
 }
+
+#[get("/posts/{id}/comments/count")]
+pub async fn get_comment_count(
+    path: Path<i64>,
+    state: Data<ServerState>,
+) -> Result<impl Responder> {
+    let post_id = path.into_inner();
+
+    let count = sqlx::query!(
+        "SELECT COUNT(*) FROM comments WHERE parent_post_id = $1",
+        post_id
+    )
+    .fetch_one(&state.pool)
+    .await
+    .unwrap()
+    .count;
+
+    return Ok(HttpResponse::Ok().json(count));
+}